{"title":"复合憎色性肾细胞癌伴肉瘤样分化,包括骨肉瘤、软骨肉瘤、鳞状化生及相关集管癌1例。","authors":"Arjumand Husain, Bernhard J Eigl, Kiril Trpkov","doi":"","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Chromophobe renal cell carcinoma (ChRCC) is a morphologically distinct renal cell carcinoma type which may rarely show composite morphology.</p><p><strong>Case: </strong>A 61-year-old man presented with a composite ChRCC with sarcomatoid transformation containing osteosarcomatous, chondrosarcomatous and squamous metaplastic differentiation and associated with a high-grade collecting duct carcinoma (CDC). The patient presented with a metastatic disease in the regional lymph nodes, comprised only of CDC, and died after 21 months.</p><p><strong>Conclusion: </strong>Although ChRCC associated with sarcomatoid change has been well documented, the presence of osteosarcoma has been previously reported in only 5 ChRCCs, 2 of which also contained chondrosarcoma. Squamous differentiation has been previously found in only 2 ChRCCs with sarcomatoid change, and ChRCC associated with CDC has been previously reported in only 3 cases, but none with heterologous elements. To our knowledge this represents a previously unreported composite type of RCC, with an aggressive clinical behavior.</p>","PeriodicalId":55517,"journal":{"name":"Analytical and Quantitative Cytopathology and Histopathology","volume":"36 4","pages":"235-40"},"PeriodicalIF":0.1000,"publicationDate":"2014-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Composite chromophobe renal cell carcinoma with sarcomatoid differentiation containing osteosarcoma, chondrosarcoma, squamous metaplasia and associated collecting duct carcinoma: a case report.\",\"authors\":\"Arjumand Husain, Bernhard J Eigl, Kiril Trpkov\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Chromophobe renal cell carcinoma (ChRCC) is a morphologically distinct renal cell carcinoma type which may rarely show composite morphology.</p><p><strong>Case: </strong>A 61-year-old man presented with a composite ChRCC with sarcomatoid transformation containing osteosarcomatous, chondrosarcomatous and squamous metaplastic differentiation and associated with a high-grade collecting duct carcinoma (CDC). The patient presented with a metastatic disease in the regional lymph nodes, comprised only of CDC, and died after 21 months.</p><p><strong>Conclusion: </strong>Although ChRCC associated with sarcomatoid change has been well documented, the presence of osteosarcoma has been previously reported in only 5 ChRCCs, 2 of which also contained chondrosarcoma. Squamous differentiation has been previously found in only 2 ChRCCs with sarcomatoid change, and ChRCC associated with CDC has been previously reported in only 3 cases, but none with heterologous elements. To our knowledge this represents a previously unreported composite type of RCC, with an aggressive clinical behavior.</p>\",\"PeriodicalId\":55517,\"journal\":{\"name\":\"Analytical and Quantitative Cytopathology and Histopathology\",\"volume\":\"36 4\",\"pages\":\"235-40\"},\"PeriodicalIF\":0.1000,\"publicationDate\":\"2014-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Analytical and Quantitative Cytopathology and Histopathology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Medicine\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Analytical and Quantitative Cytopathology and Histopathology","FirstCategoryId":"3","ListUrlMain":"","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Medicine","Score":null,"Total":0}
Composite chromophobe renal cell carcinoma with sarcomatoid differentiation containing osteosarcoma, chondrosarcoma, squamous metaplasia and associated collecting duct carcinoma: a case report.
Background: Chromophobe renal cell carcinoma (ChRCC) is a morphologically distinct renal cell carcinoma type which may rarely show composite morphology.
Case: A 61-year-old man presented with a composite ChRCC with sarcomatoid transformation containing osteosarcomatous, chondrosarcomatous and squamous metaplastic differentiation and associated with a high-grade collecting duct carcinoma (CDC). The patient presented with a metastatic disease in the regional lymph nodes, comprised only of CDC, and died after 21 months.
Conclusion: Although ChRCC associated with sarcomatoid change has been well documented, the presence of osteosarcoma has been previously reported in only 5 ChRCCs, 2 of which also contained chondrosarcoma. Squamous differentiation has been previously found in only 2 ChRCCs with sarcomatoid change, and ChRCC associated with CDC has been previously reported in only 3 cases, but none with heterologous elements. To our knowledge this represents a previously unreported composite type of RCC, with an aggressive clinical behavior.